ISRC USB8U1008338
Verified recording
USB8U1008338 is “Clarinet Concerto in A Major, K. 622: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdcaf6f908da6fdaac1d2e00502b9d861fa3675fa7d999c5ebab16ba2e85a21e3 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1008338.
Recording identifiers
- ISRC
- USB8U1008338
- Title
- Clarinet Concerto in A Major, K. 622: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdcaf6f908da6fdaac1d2e00502b9d861fa3675fa7d999c5ebab16ba2e85a21e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:bd1b789381ff7120c4fcda1574d3b1b54fe21ecfc4045215b7ecbd89631aec84- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1008338
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Clarinet Concerto in A Major, K. 622: II. Adagio · Machine-readable JSON-LD